.card-group{
    overflow: hidden;
}
.card-item{
    width: 24%;
    height: 140px;
    background-color: #ccc;
    float: left;
    margin-right: 20px;
}

.analyze-title{
    margin-top: 20px;
    margin-bottom: 20px;
}

.pie-legend{
    width: 100%;
    height: 160px;
    background-color: #F5F5F5;
    position: absolute;
    bottom: 0px;
    left: 0;
}

.pie-legend-item{
    width: 250px;
    margin: auto;
    height: 30px;
    font-size: 16px;
    margin-top: 5px;
}
.legend-title{
    float: left;
    margin-right: 20px;
}
.legend-content{
    float: right;
}
.legend-content b{
    margin-right: 5px;
}